2100698 has 4 divisors (see below), whose sum is σ = 3151050. Its totient is φ = 1050348.

The previous prime is 2100691. The next prime is 2100713. The reversal of 2100698 is 8960012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2093809 + 6889 = 1447^2 + 83^2 .

It is not an unprimeable number, because it can be changed into a prime (2100691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525173 + ... + 525176.

2^2100698 is an apocalyptic number.

2100698 is a deficient number, since it is larger than the sum of its proper divisors (1050352).

2100698 is a wasteful number, since it uses less digits than its factorization.

2100698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050351.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2100698 is about 1449.3784874904. The cubic root of 2100698 is about 128.0721029312.

The spelling of 2100698 in words is "two million, one hundred thousand, six hundred ninety-eight".